Icom ID-800H Service Manual page 51

SECTION 10 BLOCK DIAGRAM
VCC +5
PROTECT
W501
REG REG
OPC-465
D501 RD20E Q501 IC503
D502 DSA3A1 2SB1182 TA7805F
VCC
Q503
2SA1588
Q502
D504
UNR9213J
1SS400
POWER
+8 +5
SW
REG REG
CONTROL
IC504
TA7808F
Q22 5VS
2SA1362
8V
Q19
UNR9213J
VT8 UT8
REG REG
Q23
2SA1362
Q20
UNR9213J
VT8 UT8
IC513
AN6123
ALC
ALC
SW
IC512
SN74AHC2G53
5VS
8V
J502
PTT
8V DET
MICU/D Q506 2SC4116
D505 1SS400
EXTMIC
PTT
[MIC]
MICE
MIC MIC
GND AMP
MICIN
Q505 2SC4116
IC506 TA75S558F
IC507 TA75S01F
D506 MA8047
MDATA
CONT
[DATA] Q508
J504 UNR9213J
PSQL
SW
J508 7 AFO
8 6
232RX
Q507
5 4 3
UNR9113J
232TX
PTTP
2 1
SW
DATAIN
DETS
D524
CHASSIS
DA221
SP1
LIMIT
+
-
5V
IC505
HD64F2144AFA20
J506
Q510 UNR9210J
D523 MA742
[EXT SP]
CLONE IN
CLONE
CLONE OUT
BUFF
TEMP
TEMP
SENS
D503
X501
MA2S077
CR-520
CLOCK
SHIFT
IC501
HN58X24128FPI
SCL
5V EEPROM SDA
MATORIX IN-4
OUT1-4
MATRIX
D507, D519 1SS400×2
D521, D522 1SS400×2[USA]
CHASSIS UNIT
Explanatory notes
+
Q15, Q17
2SC4116×2
VOLTAGE LINE
M
MF1 FUN
FAN CTRL TX LINE
RX LINE
-
COMMON LINE
HV
8V
IC1 MB15A02PFV
D2 1SS400
Q6 UMG9N
D526 1SS400
Q8 XP1115
D533 1SS357
+8 VCO8
SEL SW
REG
Q4
5V IC520 IC515
2SC4116
TC7S66 SN74AHC2G53
V VCO8 U VCO8
A-DSW A-DSW
IC502
S-80945CNMC-G9F
RESET
5VS
8V
IC4
M62364FP
IC3a IC3d IC3c
X1
NJM12902V
NJM12902V NJM12902V
CR-784
15.2MHz
IDC LPF BUFF
D/A
Q517 IC38
UMG9N
NJM12902V
CUTOFF
SHIFT
AMP
D_AS
Q521
IC522 IC521
2SK880
TA75S01F TA75S01F
BUFF
AMP AMP
Q520
A-DSW
2SK880
IC518
BUFF
SN74AHC2G53
ADJ
SW
MMUTE
VCO SHIFT
PLLCK, PLLDATA, PLLSTB1
PLLSTB2, UNLK
5VS
Q1
UNR9213J
IC509
CD4066BP
DTCS
SELECT
ANALOGUE
SW
Q509 Q511
UNR9213J UNR9213J
MIC 1200
SENS 9600
CTRL SEL
8V
Q518
UNR9213J
LPF
CUTOFF
SHIFT
Q5
XP6501
VCC 5VS
Q512 IC508
2SC4213 M62429FP
AF AF
VOLUME
AMP MUTE
IC510
LA4425A
V VCO
U VCO
AF MUTE
AF VOL DATA
AF VOL CK
DTCS IN
WXALT
DET MUTE
CPU
WN SEL
SQL
RSSI
DA STB, DA CK, DA DATA
TX MUTE
5VS
Q24 Q25 Q26 Q27 Q28
UNR9114J UNR911NJ UNR9114J UNR9114J UNR9114J
R5 AM5 VHF R5 UHF R5 400 R5
REG REG REG REG REG
R5 AM5 VHF R5 UHF R5 400 R5
TXDATA
RXDATA
SI, SO, PTTIN, PTTOUT, OPV3, BUSY_C, RMUTE
10 - 1
IC519
VCO BOARD V VCO8
TC4W53FU
5VS CP
SW
Q3 2SC5231
Q4
D2, D3 MA2S304×2
2SC5231
D1 1SV286
PLL CHARGE LOOP
BUFF BUFF
IC POMP FIL
Q9 2SA1586
Q10 2SC4116
D4 DA221
D5 DA221
8V
Q1 D50 MA2S077
UNR9213J D51 MA2S077
MUTE SHIFT
BUFF BUFF BUFF BUFF
D4 MA2S077
Q2 UNR921NJ
Q2 Q7
2SC4116 2SC4215
U VCO8
5VS
IC2
MB15A02PFV
D3 1SS400
D527 1SS400
Q102
D532 1SS357
2SC5231
PLL LOOP
BUFF BUFF
IC FIL
Q101 2SC5231
Q100 D101, D102 HVC375B×2
UNR9213J
D100 1SV286
MUTE
IC517
SN74AHC2G53
IC516
SN74AHC2G53
A-DSW
AM5
FI2
Q3
CFWM450E
XP4601
AM CERAMIC
AGC
DET BPF
LPF
D19, D20, D21
Q13 XP6501
MA2S728×3 Q16 XP6501
D525 1SS400
WIDE/NARROW
SELECTOR
IC9, IC10 SN74AHC2G53×2
Q21 UNR9213J
IC5
SN74AHC2G53
AM/FM
LPF IF IC
SEL
IC8
TA31136FN
SQL
RSSI
IC511 NJM2115
D600 MA8130
I DET
HV IC11
M62352GP
REF V
ATT
REF CON
PCON V
PCON U
PL U
D/A
BSHIFT
TUNE 8
TUNE U
TUNE V3
TUNE V2
TUNE V1
X201
CODEC BOARD
CR-760
IC251A
NJM2115
IC252
CMX589A
BUFF
MODEM
2.4576MHz
IC253B
NJM13404
BUFF
IC253A
NJM13404
IC151
BUFF AMBE-2020
IC251B
NJM2115
DAFIN
BUFF
5VS
Q519 Q50 2SA1586
2SA1362 Q51 DTC144
Q29
+5V IC1
UNR9114J D_AS A-DSW
CTRL S-812C33AMC
800 R5
3.3V
REG
REG
IC514 IC2
TA7808F R1111N321B
+8 3.2V
800 R5 VCC
REG REG
Q504
XP4601
BUFF
MAIN UNIT
V T8 HV
D5 1SV308
D6 MA2S077
VCO PRE DRIVE PWR
BUFF BUFF LPF ATT
SW DRIVE AMP AMP
Q5
Q30 Q33 2SC4703 IC13
2SC5231
D13 1SS355 S-AV32
2SC3357
ATT LPF
LPF
U T8 HV
VCO
BUFF
SW
PRE DRIVE PWR
ATT
Q50 DRIVE AMP AMP
2SC4403
Q34 2SC3357 IC14
Q31
2SC5085 D14 1SS355 S-AU82L
HPF IC15 NJM3404AV
D531 DAN222
D103 1SV308 APC
CTRL
D104 MA2S077
D105 MA2S077
Q515 UNR9114J
VCO
BUFF BUFF LPF
SW Q516 UNR9213J
D529 HVC136
Q103
D530 HVC136
2SC5231 D15 HVC136
D16 HVC136
D528
D7 DAN222
HVC136
LO SW LO SW
Q105 D106 1SV308
UNR9213J D107 MA2S077
VCO
ATT LPF
SW
Q104
D8 Q32
2SC5231
HVC136 3SK299
DOUBLER BPF ATT X
RX
SW
D9 Q35
HVC136 3SK299
RX X
FI1
SW
CFWS450HT
CERAMIC
BPF
X2
CDB450C24
D10 D17
HVC136 HVC136
X
RX RX
SW SW
IC12
µPC2757TB
R5
Q43
UNR9115J
D6 FI3 FL-344
SHIFT
DA221 46.05MHz
CTRL
IF XTAL
LIMIT
AMP BPF
800 R5
Q18
2SC4226 D18 D26, D31
Q44 HVC136 1SV305×2
2SC4081
RX RF
BPF
SW AMP
ATT
CTRL
Q37
2SC5006
HV
CONTROL UNIT
IC204
IC351
HD64F3687 FROM MAIN IC5 TA78L05F
+5
MAX3226 W1 D4 MA8062
REG
RS-232C
CPU
LEVEL
CONVERT
DSP Q305 XP4312
IC2
CODEC Q306 XP4312 S-80945CLMC-G7F RESET
IC101
TC7SHU04
S1
LINEAR
INV 2 DIAL-A
CODEC
A
3 DIAL-B
IC50 B
1
X101
AD73311 COM
CR-708
IC203 16.884MHz
S-80928CNMC
VOL
R1
RESET
Q400 2SA1586
EVU-F2AF20B55
Q401 DTC144
SQL
+3V
3.3V
CTRL
R5
J503 J3
EVU-F2AF20B55
Q2
CTHV HV
XP4601
HV HV
TXDATA TDATA
RDATA RDATA BUFF
GND GND
ANTENNA
D45 UM9401F
D49 HVU131TRF
D50 UM9401F
T VHF
D47 1SS400
(144-148MHz)
SWR TX/RX
LPF LPF
DET SW
D27 MA742
D33 MA742
VT8
D40 UM9401F
D48 HVU131TRF
D51 UM9401F
T UHF
(430-450MHz) D46 1SS400
SWR TX/RX
LPF HPF LPF
DET SW
D28 MA742
D34 MA742
UT8
Q42 UNR9113J
Q45 UNR9113J
TX
MUTE
VHF
R5
D41
D22 HVC350B
HVC375B
D23 HVC350B
VHF
D29 HVC350B
(118-174MHz)
RF
BPF BPF ATT
AMP
Q38
3SK299
UHF R5
D42
FI4 1SV308
EFCH445MWNP1[USA]
UHF
EFCH435MWNP1[EXP] (430-440MHz)
RF RX
BPF ATT
AMP SW
Q39
3SK299
400 R5 400 R5
D25 MA2SV05 D36
D30 MA2SV05 MA2SV05
RF RF RX
BPF BPF
AMP AMP SW
D43
Q36 Q40
1SV308
2SC5006 2SC5006
400M(230-550MHz)
D24, D32 D38
MA2S077×2 MA2S077
SHIFT SHIFT
D44
800 R5
1SV308
D37 D39 800M
1SV305 1SS362 (810-1000MHz)
RF RX
BPF ATT HPF
AMP SW
Q41
2SC5624
DS1 Q6, Q7
IS09216E 2SC4116×2
LCD KEY
LCD COLOR
BACK BACK
LIGHT LIGHT
DS22 DS13-DS18
CV1074 DS20,DS23 SML512MW×8
CPU5V
DS21 SML-020MYT
S3 S4
PWR POWER BAND
BAND
S5 S6
VMHZ VMHZ M/CALL
M/CALL
S7 S8
TONE TONE LOW
CPU
LOW
S9 S10
MONI MONI SET
SET
HV
S11
SMW SMW
+8 8V
REG
Q1 2SC4116
Q3 2SA1734
D5 MA8068
IC6
HD6433842RC37H
CPU5V
X1 EF0S4914E3